Product Description IIW-Type 1 (Aluminum or Steel) Used for calibration of shear and longitudinal transducers, and verification of shear wedge exit point and refracted angle. Can also be used for resolution and sensitivity checking. In accordance with: IIW (International Institute of Welding) and ASTM E164, U.S. Customary Block. Dimensions: 1.0″ x 4.0″ x 12.0″ Features: 4.0″ radius, 2.0″ and .060″ diameter hole, .240″ deep x .080″ wide slot, and 1.0″ radiussed slot x .060″ deep x .120″ wide. Please specify Aluminum or Steel in comments field at checkout
